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Controls and Safety : Pressure Switches
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Type MD
Type MD
Type MD
Double poles snap action pressure switch. 2 independent adjustable set points. With or without IP65 connection box. ½" thread. Maximum set point value: 12 bar (1.2 Mpa, 174 PSI) Minimum set point value: 30 kPa (300 mbar, 2.9 PSI) Maximum electrical rating: 22 (8)A 250VAC
Controls and Safety
Pressure Switches
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product presentation

Main applications :
Pressure sensing on water heaters, boilers, spas and swimming pool heaters and filters, sprinklers circuits, electrical appliances. Its high electrical rating allows its use on pumps, motors, electrical heaters. Their screw terminals allow field mounting and wiring.

Technical features

Membrane: Two Silicone membranes. dia 17.5 mm.

Fluid: Water or air

Fitting: PA66, 1/2"NPT, 1/2" BSPT or 1/2" BSPP

Pressure: Positive

Contacts: Two SPDT, snap action.

Electrical rating: 2 x 22 (8)A 250VAC, (2HP)

Action: Momentary.

Set point calibration: Field adjustable with knob

Standard adjustment ranges (mbar): 300 to 600; 400 to 1200; 900 to 3000; 1400 to 5000;1500 to 9000.

These devices can also be factory calibrated upon customer request.

Electrical connection: screw terminals

Maximum operating pressure: 12bar (1.2Mpa, 174PSI).

Bursting pressure: > 50bar (5Mpa, 725PSI)

Ambient temperature limits:
Air: -10 to 85°C (14 to 185°F)
Water: 0 to 85°C (32 to 185°F)